An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Pepperl-Klindworth S, Besold K, Frankenberg N, Farkas M, Kuball J, Theobald M, Plachter B.Pepperl-Klindworth S, et al. Among authors: frankenberg n.Viral Immunol. 2006 Spring;19(1):92-101. doi: 10.1089/vim.2006.19.92.Viral Immunol. 2006.PMID: 16553554